For each of the following arguments, a formal proof of validity can be constructed without great difficulty,
Question:
For each of the following arguments, a formal proof of validity can be constructed without great difficulty, although some of the proofs may require a sequence of eight or nine statements (including premises) for their completion.
(P1): J ⊃ K
(P2): K ꓦ L
(P3): (L ⋅ ~ J) ⊃ (M ⋅ ~ J)
(P4): ~ K
∴ M
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Related Book For
Introduction To Logic
ISBN: 9781138500860
15th Edition
Authors: Irving M. Copi, Carl Cohen, Victor Rodych
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